Tag

Homo Erectus

All articles tagged with #homo erectus

science7 days ago•6 min saved

Ancient tooth proteins reveal Homo erectus left a genetic fingerprint in today’s humans

Proteomic analysis of 400,000-year-old Homo erectus teeth uncovers a unique amino‑acid variant shared with Denisovans and present in modern SE Asian and Oceanian populations (about 21% in the Philippines, ~1% in India), suggesting interbreeding and a mosaic ancestry rather than a single lineage. The study highlights how paleoproteomics can reveal genetic connections from old hominin lineages and points to a broader pattern of admixture among ancient humans.

via The Conversation|

#archaic-introgression #denisovans #homo-erectus

science12 days ago•182 min saved

Enamel clues link Homo erectus to Denisovans in a web-like human tree

Scientists extracted ancient enamel proteins from six Homo erectus teeth found in three sites in China (about 400,000 years old) using a new, minimally invasive enamel-etching technique. They identified two shared amino acid variants, one of which also appears in Denisovans and some modern humans, suggesting interbreeding between Homo erectus, Denisovans, and Homo sapiens and supporting a networked view of human evolution. The study relied on proteins (not DNA) and analyzed teeth from Hexian and Zhoukoudian, with five males and one female identified, highlighting open questions about how these populations relate to each other.

via CNN|

#ancient-proteins #denisovans #hominin-interbreeding

science12 days ago•43 min saved

Enamel proteins link six Chinese H. erectus to Denisovan gene flow

Ancient enamel proteomics recovered endogenous proteins from six Middle Pleistocene Homo erectus teeth across northern and southern China (~0.4 Ma) and a Denisovan tooth. The study identifies two AMBN variants: a novel AMBN A253G found in all six H. erectus samples and not in other hominins, and AMBN M273V shared with Denisovans, suggesting Denisovans may have inherited this region from an H. erectus–related population. The results imply interactions between East Asian H. erectus populations and Denisovans and support the idea that H. erectus contributed to Denisovan DNA, with some signals ultimately reaching modern humans via introgression. Phylogenetic analyses cluster the H. erectus samples together, illustrating the power of enamel proteomics to illuminate deep human evolution and population diversity in East Asia.

via Nature|

#denisovans #east-asia #homo-erectus

science2 months ago•185 min saved

Mosquito clues push back Southeast Asia’s human arrival timeline

DNA analyses of Anopheles mosquitoes in Southeast Asia suggest the shift to human blood-feeding happened 2.9–1.6 million years ago in Sundaland, implying Homo erectus may have been present in numbers sufficient to drive the adaptation and offering a new clue to the timing of early human arrival in the region where fossil remains are sparse.

via CNN|

#homo-erectus #human-evolution #mosquitoes

paleontology5 months ago•54 min saved

Ethiopian Fossil Finds Illuminate Human Evolution and Migration

A new reconstruction of the DAN5/P1 cranium from Gona, Ethiopia, reveals a unique combination of early Homo and H. erectus features, suggesting complex population structure and evolution in African Homo during the Early Pleistocene, with implications for understanding the emergence of H. erectus.

via Nature|

#cranial-morphology #dan5p1 #east-africa

science8 months ago•4 min saved

Million-year-old Chinese skull may reshape human evolution history

A reconstructed million-year-old skull found in China suggests humans diverged from their ancestors 400,000 years earlier than previously thought, potentially in Asia rather than Africa, challenging existing timelines and highlighting the complexity of human evolution.

via CBS News|

#china #fossil-discovery #homo-erectus

science9 months ago•3 min saved

Ancient Hominins and Stone Tools Rewrite Indonesian Migration Timeline

Ancient stone tools found on Sulawesi, Indonesia, date back over 1 million years, indicating early human presence and oceanic crossing much earlier than previously thought, possibly by Homo erectus or related species, highlighting Sulawesi's significant role in human evolution.

via Archaeology News Online Magazine|

#early-humans #homo-erectus #homo-floresiensis

science9 months ago•7 min saved

Ancient Stone Tools Reveal Early Human Presence in Indonesia

Archaeologists discovered the oldest stone tools on Sulawesi, Indonesia, dating back over 1 million years, suggesting early human ancestors may have inhabited the island and possibly influenced the evolution of Homo floresiensis, the 'hobbit' humans. The findings raise questions about how these early humans crossed oceans and their connection to other island populations, with ongoing research aiming to uncover more fossils and understand their origins.

via CNN|

#ancient-humans #archaeology #homo-erectus

science10 months ago•4 min saved

Ancient Giants and Humans Discovered in 140,000-Year-Old Underwater Land

Archaeologists discovered over 6,000 fossils, including early human remains and ancient animal species, beneath Indonesian seas, revealing a thriving ecosystem from over 140,000 years ago and providing new insights into early human life and migration in Southeast Asia.

via Rude Baguette|

#ancient-ecosystem #fossils #homo-erectus

science10 months ago•3 min saved

Ancient Sunken World Reveals 140,000-Year-Old Beasts and Human Ancestors

Archaeologists have discovered 140,000-year-old fossils, including Homo erectus skull fragments and over 6,000 animal remains, beneath the sea off Indonesia, revealing a once-thriving landmass called Sundaland that supported diverse ecosystems and early human activity, reshaping our understanding of prehistoric Southeast Asia.

via Indian Defence Review|

#archaeology #fossils #homo-erectus

science1 year ago•4 min saved

Ancient 140,000-Year-Old Sunken World Unveiled Beneath the Ocean

Archaeologists discovered 140,000-year-old Homo erectus fossils and thousands of other species beneath the ocean off Indonesia, revealing a once-thriving landmass called Sundaland and providing new insights into early human migration and environment in Southeast Asia.

via The Daily Galaxy|

#fossil-discovery #homo-erectus #marine-archaeology

science1 year ago•2 min saved

Ancient 140,000-Year-Old City Discovered Beneath the Ocean

Scientists discovered a 140,000-year-old city beneath the ocean in Indonesia, including fossils of Homo erectus and other species, providing evidence of a lost world and insights into early human activity and environment during the Middle Pleistocene.

via Daily Express US|

#fossils #homo-erectus #prehistoric

science1 year ago•2 min saved

Ancient Human Secrets Unveiled by 140,000-Year-Old Underwater Discoveries

Scientists discovered a 140,000-year-old city and fossils, including a Homo erectus skull and remains of 36 species, beneath the ocean in Indonesia, providing new insights into early human behavior and the lost landmass of Sundaland.

via Daily Express|

#fossils #homo-erectus #prehistoric-animals

science1 year ago•2 min saved

Ancient Footprints Uncover Coexistence of Early Human Species in Kenya

Researchers have discovered fossilized footprints in Kenya's Turkana Basin, indicating that two different hominin species, Homo erectus and Paranthropus boisei, coexisted in the same area about 1.5 million years ago. This finding provides the first direct evidence of these species sharing the same landscape, raising questions about their interactions. The footprints suggest that while Homo erectus is an ancestor of modern humans, Paranthropus boisei, known for its large teeth, is a side branch of the human family tree.

via The Guardian|

#fossilized-footprints #homo-erectus #human-evolution

science2 years ago•3 min saved

"Prehistoric Near-Extinction Sparked Ancient Human Migration"

New research suggests that a genetic bottleneck occurred among our ancestors, likely Homo erectus, around 900,000 years ago, leading to a significant drop in population and genetic diversity. This event may have been triggered by a severe climate change, forcing the survivors to migrate out of Africa and eventually becoming the ancestors of Neanderthals and Denisovans. The study aims to resolve the debate about the timing of this near-extinction event and its impact on human evolution, shedding light on a crucial period in the human family tree.

via IFLScience|

#climate-change #genetic-bottleneck #homo-erectus